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Radiant|Natural|GIA

0.91ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 5423172038

Certificate GIA 5423172038

Diamond specifications and retailer prices

From $4,202 AUD
CA$4,099 CAD
As of October 30, 2026
Save $926 AUD (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,127 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.91ct natural radiant diamond

This 0.91ct natural radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5423172038. Listed at 2 retailers as of October 30, 2026, with prices from $4,202 to $5,127, a $926 spread on the same certified stone. 77 Diamonds lists it at $5,127. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5423172038
Dimensions6.69 × 4.86 × 3.13 mm
L/W Ratio1.38
Top View
6.69 mm4.86 mm0.91 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5423172038
Side View
Table 70.0%CrownGirdle: NUL-NULPavilionCuletDepth 64.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $5,127 AUD|Low: $4,202 AUD|High: $5,133 AUD|Avg: $4,647 AUD|+1.8%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$4,202 AUD
77 Diamonds$5,127 AUD

35 data points across 2 retailers

2 retailers$4,202 AUD to $5,127 AUD

B
Cheapest Retailer
-
$4,202 AUD
CA$4,099 CAD
Most Expensive
B
77 Diamonds
RADMBCD6HRHMF · Nov 1
$5,127 AUD
£2,836 GBP
View
1 more retailer has this diamond
Prices start from $4,202 AUDSave up to $926 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.91ct Radiant
$4,202 AUD